We already know how to drop the R value in a given place. It is pointlessly expensive to do so for long enough to eliminate the virus in any place that is going

We already know how to drop the R value in a given place. It is pointlessly expensive to do so for long enough to eliminate the virus in any place that is going to be reconnected to the air network until travellers have a very low chance of infection. Sure some places will find total vaccination the best option, but places with out the infrastructure and money can simply do one lockdown that isn't compromised again by air travel. China is an example that would have left the pandemic if not for the need to resume Air travel.